PhotoMap: using spontaneously taken images of public maps for pedestrian navigation tasks on mobile devices.

Johannes Schöning Antonio Krüger Keith Cheverst Michael Rohs Markus Löchtefeld Faisal Taher PhotoMap: using spontaneously taken images of public maps for pedestrian navigation tasks on mobile devices. 2009 Mobile HCI http://doi.acm.org/10.1145/1613858.1613876 conf/mhci/2009 db/conf/mhci/mhci2009.html#SchoningKCRLT09